Home / 21,740.90-32,622.29-16,205.36

Finding the Fourth Proportional to 21,740.90, 32,622.29 and 16,205.36

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Solution

The fourth proportional to 21,740.90, 32,622.29 and 16,205.36 is: 24,316.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740.90 : 32,622.29 = 16,205.36 : x
  2. Step 2: Convert to fraction form
    21,740.90/32,622.29 = 16,205.36/x
  3. Step 3: Cross multiply
    21,740.90x = 32,622.29 × 16,205.36
  4. Step 4: Simplify right side
    21,740.90x = 528,655,709.34
  5. Step 5: Solve for x
    x = 528,655,709.34/21,740.90
  6. Step 6: Final answer
    x = 24,316.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.